#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

int main()
{
	int n;
	while (scanf("%d", &n) != EOF)
	{
		for (int i = 1; i <= n; i++)
		{
			for (int j = 1; j <= n; j++)
			{
				if (i == j || i + j == n + 1)
					printf("*");
				else
					printf(" ");
			}
			printf("\n");
		}
	}

	return 0;
}